hammer environment baseline tests
adding EnvironmentTests.java class
indentation
Added ManifestRefreshTests to master
Merge pull request #675 from tkolhar/master

Added ManifestRefreshTests to master
some fixes in rhevm client preparation process. Majority is in bkr jobs already ready.
fixing priority of: cli.ManifestRefreshTests to be: 38
Merge pull request #667 from ab268/hammer-master

hammer environment baseline tests
Merge pull request #676 from ab268/sam-fixes

sam fixes - UserTests, ProviderTests
added exclusive setup for headpin-cli group - SystemInfoTests